Alright, let's solve this math problem step by step. First, we have the number 98. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 138. So, we're going to take the number 98 and add it to itself 138 times.
Step 1: 0 + 98 = 98
Step 2: 98 + 98 = 196
Step 3: 196 + 98 = 294
Step 4: 294 + 98 = 392
Step 5: 392 + 98 = 490
Step 6: 490 + 98 = 588
Step 7: 588 + 98 = 686
Step 8: 686 + 98 = 784
Step 9: 784 + 98 = 882
Step 10: 882 + 98 = 980
Step 11: 980 + 98 = 1078
Step 12: 1078 + 98 = 1176
Step 13: 1176 + 98 = 1274
Step 14: 1274 + 98 = 1372
Step 15: 1372 + 98 = 1470
Step 16: 1470 + 98 = 1568
Step 17: 1568 + 98 = 1666
Step 18: 1666 + 98 = 1764
Step 19: 1764 + 98 = 1862
Step 20: 1862 + 98 = 1960
Step 21: 1960 + 98 = 2058
Step 22: 2058 + 98 = 2156
Step 23: 2156 + 98 = 2254
Step 24: 2254 + 98 = 2352
Step 25: 2352 + 98 = 2450
Step 26: 2450 + 98 = 2548
Step 27: 2548 + 98 = 2646
Step 28: 2646 + 98 = 2744
Step 29: 2744 + 98 = 2842
Step 30: 2842 + 98 = 2940
Step 31: 2940 + 98 = 3038
Step 32: 3038 + 98 = 3136
Step 33: 3136 + 98 = 3234
Step 34: 3234 + 98 = 3332
Step 35: 3332 + 98 = 3430
Step 36: 3430 + 98 = 3528
Step 37: 3528 + 98 = 3626
Step 38: 3626 + 98 = 3724
Step 39: 3724 + 98 = 3822
Step 40: 3822 + 98 = 3920
Step 41: 3920 + 98 = 4018
Step 42: 4018 + 98 = 4116
Step 43: 4116 + 98 = 4214
Step 44: 4214 + 98 = 4312
Step 45: 4312 + 98 = 4410
Step 46: 4410 + 98 = 4508
Step 47: 4508 + 98 = 4606
Step 48: 4606 + 98 = 4704
Step 49: 4704 + 98 = 4802
Step 50: 4802 + 98 = 4900
Step 51: 4900 + 98 = 4998
Step 52: 4998 + 98 = 5096
Step 53: 5096 + 98 = 5194
Step 54: 5194 + 98 = 5292
Step 55: 5292 + 98 = 5390
Step 56: 5390 + 98 = 5488
Step 57: 5488 + 98 = 5586
Step 58: 5586 + 98 = 5684
Step 59: 5684 + 98 = 5782
Step 60: 5782 + 98 = 5880
Step 61: 5880 + 98 = 5978
Step 62: 5978 + 98 = 6076
Step 63: 6076 + 98 = 6174
Step 64: 6174 + 98 = 6272
Step 65: 6272 + 98 = 6370
Step 66: 6370 + 98 = 6468
Step 67: 6468 + 98 = 6566
Step 68: 6566 + 98 = 6664
Step 69: 6664 + 98 = 6762
Step 70: 6762 + 98 = 6860
Step 71: 6860 + 98 = 6958
Step 72: 6958 + 98 = 7056
Step 73: 7056 + 98 = 7154
Step 74: 7154 + 98 = 7252
Step 75: 7252 + 98 = 7350
Step 76: 7350 + 98 = 7448
Step 77: 7448 + 98 = 7546
Step 78: 7546 + 98 = 7644
Step 79: 7644 + 98 = 7742
Step 80: 7742 + 98 = 7840
Step 81: 7840 + 98 = 7938
Step 82: 7938 + 98 = 8036
Step 83: 8036 + 98 = 8134
Step 84: 8134 + 98 = 8232
Step 85: 8232 + 98 = 8330
Step 86: 8330 + 98 = 8428
Step 87: 8428 + 98 = 8526
Step 88: 8526 + 98 = 8624
Step 89: 8624 + 98 = 8722
Step 90: 8722 + 98 = 8820
Step 91: 8820 + 98 = 8918
Step 92: 8918 + 98 = 9016
Step 93: 9016 + 98 = 9114
Step 94: 9114 + 98 = 9212
Step 95: 9212 + 98 = 9310
Step 96: 9310 + 98 = 9408
Step 97: 9408 + 98 = 9506
Step 98: 9506 + 98 = 9604
Step 99: 9604 + 98 = 9702
Step 100: 9702 + 98 = 9800
Step 101: 9800 + 98 = 9898
Step 102: 9898 + 98 = 9996
Step 103: 9996 + 98 = 10094
Step 104: 10094 + 98 = 10192
Step 105: 10192 + 98 = 10290
Step 106: 10290 + 98 = 10388
Step 107: 10388 + 98 = 10486
Step 108: 10486 + 98 = 10584
Step 109: 10584 + 98 = 10682
Step 110: 10682 + 98 = 10780
Step 111: 10780 + 98 = 10878
Step 112: 10878 + 98 = 10976
Step 113: 10976 + 98 = 11074
Step 114: 11074 + 98 = 11172
Step 115: 11172 + 98 = 11270
Step 116: 11270 + 98 = 11368
Step 117: 11368 + 98 = 11466
Step 118: 11466 + 98 = 11564
Step 119: 11564 + 98 = 11662
Step 120: 11662 + 98 = 11760
Step 121: 11760 + 98 = 11858
Step 122: 11858 + 98 = 11956
Step 123: 11956 + 98 = 12054
Step 124: 12054 + 98 = 12152
Step 125: 12152 + 98 = 12250
Step 126: 12250 + 98 = 12348
Step 127: 12348 + 98 = 12446
Step 128: 12446 + 98 = 12544
Step 129: 12544 + 98 = 12642
Step 130: 12642 + 98 = 12740
Step 131: 12740 + 98 = 12838
Step 132: 12838 + 98 = 12936
Step 133: 12936 + 98 = 13034
Step 134: 13034 + 98 = 13132
Step 135: 13132 + 98 = 13230
Step 136: 13230 + 98 = 13328
Step 137: 13328 + 98 = 13426
Step 138: 13426 + 98 = 13524

So, 98*138 = 13524